Home / 828,027.42-1,242,039.59-259,452.05

Finding the Fourth Proportional to 828,027.42, 1,242,039.59 and 259,452.05

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Solution

The fourth proportional to 828,027.42, 1,242,039.59 and 259,452.05 is: 389,177.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,027.42 : 1,242,039.59 = 259,452.05 : x
  2. Step 2: Convert to fraction form
    828,027.42/1,242,039.59 = 259,452.05/x
  3. Step 3: Cross multiply
    828,027.42x = 1,242,039.59 × 259,452.05
  4. Step 4: Simplify right side
    828,027.42x = 322,249,722,133.19
  5. Step 5: Solve for x
    x = 322,249,722,133.19/828,027.42
  6. Step 6: Final answer
    x = 389,177.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.